—San Diego’s TriTech Software Systems, a specialized provider of software used by public safety for computer-aided dispatch, said it acquired Castle Hayne, NC-based VisionAir, a privately held company providing similar software products and services. Terms of the deal were not disclosed.

Bruce V. Bigelow is the editor of Xconomy San Diego. You can e-mail him at bbigelow@xconomy.com or call (619) 669-8788 Follow @bvbigelow